309528180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:327

約数の個数: 288

約数和(自身を含む): 1109541888

約数和(自身を除く): 800013708

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 30, 31, 34, 36, 39, 45, 51, 52, 60, 62, 65, 68, 78, 85, 90, 93, 102, 117, 124, 130, 153, 155, 156, 170, 180, 186, 195, 204, 221, 234, 251, 255, 260, 279, 306, 310, 340, 372, 390, 403, 442, 465, 468, 502, 510, 527, 558, 585, 612, 620, 663, 753, 765, 780, 806, 884, 930, 1004, 1020, 1054, 1105, 1116, 1170, 1209, 1255, 1326, 1395, 1506, 1530, 1581, 1612, 1860, 1989, 2015, 2108, 2210, 2259, 2340, 2418, 2510, 2635, 2652, 2790, 3012, 3060, 3162, 3263, 3315, 3627, 3765, 3978, 4030, 4267, 4420, 4518, 4743, 4836, 5020, 5270, 5580, 6045, 6324, 6526, 6630, 6851, 7254, 7530, 7781, 7905, 7956, 8060, 8534, 9036, 9486, 9789, 9945, 10540, 11295, 12090, 12801, 13052, 13260, 13702, 14508, 15060, 15562, 15810, 16315, 17068, 18135, 18972, 19578, 19890, 20553, 21335, 22590, 23343, 23715, 24180, 25602, 27404, 29367, 31124, 31620, 32630, 34255, 36270, 38403, 38905, 39156, 39780, 41106, 42670, 45180, 46686, 47430, 48945, 51204, 55471, 58734, 61659, 64005, 65260, 68510, 70029, 72540, 76806, 77810, 82212, 85340, 93372, 94860, 97890, 101153, 102765, 110942, 116715, 117468, 123318, 128010, 132277, 137020, 140058, 146835, 153612, 155620, 166413, 192015, 195780, 202306, 205530, 221884, 233430, 246636, 256020, 264554, 277355, 280116, 293670, 303459, 308295, 332826, 350145, 384030, 396831, 404612, 411060, 466860, 499239, 505765, 529108, 554710, 587340, 606918, 616590, 661385, 665652, 700290, 768060, 793662, 832065, 910377, 998478, 1011530, 1109420, 1190493, 1213836, 1233180, 1322770, 1400580, 1517295, 1587324, 1664130, 1719601, 1820754, 1984155, 1996956, 2023060, 2380986, 2496195, 2645540, 3034590, 3328260, 3439202, 3641508, 3968310, 4551885, 4761972, 4992390, 5158803, 5952465, 6069180, 6878404, 7936620, 8598005, 9103770, 9984780, 10317606, 11904930, 15476409, 17196010, 18207540, 20635212, 23809860, 25794015, 30952818, 34392020, 51588030, 61905636, 77382045, 103176060, 154764090, 309528180]

約数ペア:

[(1, 309528180), (2, 154764090), (3, 103176060), (4, 77382045), (5, 61905636), (6, 51588030), (9, 34392020), (10, 30952818), (12, 25794015), (13, 23809860), (15, 20635212), (17, 18207540), (18, 17196010), (20, 15476409), (26, 11904930), (30, 10317606), (31, 9984780), (34, 9103770), (36, 8598005), (39, 7936620), (45, 6878404), (51, 6069180), (52, 5952465), (60, 5158803), (62, 4992390), (65, 4761972), (68, 4551885), (78, 3968310), (85, 3641508), (90, 3439202), (93, 3328260), (102, 3034590), (117, 2645540), (124, 2496195), (130, 2380986), (153, 2023060), (155, 1996956), (156, 1984155), (170, 1820754), (180, 1719601), (186, 1664130), (195, 1587324), (204, 1517295), (221, 1400580), (234, 1322770), (251, 1233180), (255, 1213836), (260, 1190493), (279, 1109420), (306, 1011530), (310, 998478), (340, 910377), (372, 832065), (390, 793662), (403, 768060), (442, 700290), (465, 665652), (468, 661385), (502, 616590), (510, 606918), (527, 587340), (558, 554710), (585, 529108), (612, 505765), (620, 499239), (663, 466860), (753, 411060), (765, 404612), (780, 396831), (806, 384030), (884, 350145), (930, 332826), (1004, 308295), (1020, 303459), (1054, 293670), (1105, 280116), (1116, 277355), (1170, 264554), (1209, 256020), (1255, 246636), (1326, 233430), (1395, 221884), (1506, 205530), (1530, 202306), (1581, 195780), (1612, 192015), (1860, 166413), (1989, 155620), (2015, 153612), (2108, 146835), (2210, 140058), (2259, 137020), (2340, 132277), (2418, 128010), (2510, 123318), (2635, 117468), (2652, 116715), (2790, 110942), (3012, 102765), (3060, 101153), (3162, 97890), (3263, 94860), (3315, 93372), (3627, 85340), (3765, 82212), (3978, 77810), (4030, 76806), (4267, 72540), (4420, 70029), (4518, 68510), (4743, 65260), (4836, 64005), (5020, 61659), (5270, 58734), (5580, 55471), (6045, 51204), (6324, 48945), (6526, 47430), (6630, 46686), (6851, 45180), (7254, 42670), (7530, 41106), (7781, 39780), (7905, 39156), (7956, 38905), (8060, 38403), (8534, 36270), (9036, 34255), (9486, 32630), (9789, 31620), (9945, 31124), (10540, 29367), (11295, 27404), (12090, 25602), (12801, 24180), (13052, 23715), (13260, 23343), (13702, 22590), (14508, 21335), (15060, 20553), (15562, 19890), (15810, 19578), (16315, 18972), (17068, 18135)]