128847420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:165

約数の個数: 288

約数和(自身を含む): 462309120

約数和(自身を除く): 333461700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 30, 34, 36, 39, 41, 45, 51, 52, 60, 65, 68, 78, 79, 82, 85, 90, 102, 117, 123, 130, 153, 156, 158, 164, 170, 180, 195, 204, 205, 221, 234, 237, 246, 255, 260, 306, 316, 340, 369, 390, 395, 410, 442, 468, 474, 492, 510, 533, 585, 612, 615, 663, 697, 711, 738, 765, 780, 790, 820, 884, 948, 1020, 1027, 1066, 1105, 1170, 1185, 1230, 1326, 1343, 1394, 1422, 1476, 1530, 1580, 1599, 1845, 1989, 2054, 2091, 2132, 2210, 2340, 2370, 2460, 2652, 2665, 2686, 2788, 2844, 3060, 3081, 3198, 3239, 3315, 3485, 3555, 3690, 3978, 4029, 4108, 4182, 4420, 4740, 4797, 5135, 5330, 5372, 6162, 6273, 6396, 6478, 6630, 6715, 6970, 7110, 7380, 7956, 7995, 8058, 8364, 9061, 9243, 9594, 9717, 9945, 10270, 10455, 10660, 12087, 12324, 12546, 12956, 13260, 13430, 13940, 14220, 15405, 15990, 16116, 16195, 17459, 18122, 18486, 19188, 19434, 19890, 20145, 20540, 20910, 23985, 24174, 25092, 26860, 27183, 29151, 30810, 31365, 31980, 32390, 34918, 36244, 36972, 38868, 39780, 40290, 41820, 42107, 45305, 46215, 47970, 48348, 48585, 52377, 54366, 55063, 58302, 60435, 61620, 62730, 64780, 69836, 80580, 81549, 84214, 87295, 90610, 92430, 95940, 97170, 104754, 108732, 110126, 116604, 120870, 125460, 126321, 135915, 145755, 157131, 163098, 165189, 168428, 174590, 181220, 184860, 194340, 209508, 210535, 220252, 241740, 252642, 261885, 271830, 275315, 291510, 314262, 326196, 330378, 349180, 378963, 407745, 421070, 495567, 505284, 523770, 543660, 550630, 583020, 628524, 631605, 660756, 715819, 757926, 785655, 815490, 825945, 842140, 991134, 1047540, 1101260, 1263210, 1431638, 1515852, 1571310, 1630980, 1651890, 1894815, 1982268, 2147457, 2477835, 2526420, 2863276, 3142620, 3303780, 3579095, 3789630, 4294914, 4955670, 6442371, 7158190, 7579260, 8589828, 9911340, 10737285, 12884742, 14316380, 21474570, 25769484, 32211855, 42949140, 64423710, 128847420]

約数ペア:

[(1, 128847420), (2, 64423710), (3, 42949140), (4, 32211855), (5, 25769484), (6, 21474570), (9, 14316380), (10, 12884742), (12, 10737285), (13, 9911340), (15, 8589828), (17, 7579260), (18, 7158190), (20, 6442371), (26, 4955670), (30, 4294914), (34, 3789630), (36, 3579095), (39, 3303780), (41, 3142620), (45, 2863276), (51, 2526420), (52, 2477835), (60, 2147457), (65, 1982268), (68, 1894815), (78, 1651890), (79, 1630980), (82, 1571310), (85, 1515852), (90, 1431638), (102, 1263210), (117, 1101260), (123, 1047540), (130, 991134), (153, 842140), (156, 825945), (158, 815490), (164, 785655), (170, 757926), (180, 715819), (195, 660756), (204, 631605), (205, 628524), (221, 583020), (234, 550630), (237, 543660), (246, 523770), (255, 505284), (260, 495567), (306, 421070), (316, 407745), (340, 378963), (369, 349180), (390, 330378), (395, 326196), (410, 314262), (442, 291510), (468, 275315), (474, 271830), (492, 261885), (510, 252642), (533, 241740), (585, 220252), (612, 210535), (615, 209508), (663, 194340), (697, 184860), (711, 181220), (738, 174590), (765, 168428), (780, 165189), (790, 163098), (820, 157131), (884, 145755), (948, 135915), (1020, 126321), (1027, 125460), (1066, 120870), (1105, 116604), (1170, 110126), (1185, 108732), (1230, 104754), (1326, 97170), (1343, 95940), (1394, 92430), (1422, 90610), (1476, 87295), (1530, 84214), (1580, 81549), (1599, 80580), (1845, 69836), (1989, 64780), (2054, 62730), (2091, 61620), (2132, 60435), (2210, 58302), (2340, 55063), (2370, 54366), (2460, 52377), (2652, 48585), (2665, 48348), (2686, 47970), (2788, 46215), (2844, 45305), (3060, 42107), (3081, 41820), (3198, 40290), (3239, 39780), (3315, 38868), (3485, 36972), (3555, 36244), (3690, 34918), (3978, 32390), (4029, 31980), (4108, 31365), (4182, 30810), (4420, 29151), (4740, 27183), (4797, 26860), (5135, 25092), (5330, 24174), (5372, 23985), (6162, 20910), (6273, 20540), (6396, 20145), (6478, 19890), (6630, 19434), (6715, 19188), (6970, 18486), (7110, 18122), (7380, 17459), (7956, 16195), (7995, 16116), (8058, 15990), (8364, 15405), (9061, 14220), (9243, 13940), (9594, 13430), (9717, 13260), (9945, 12956), (10270, 12546), (10455, 12324), (10660, 12087)]