215478900

素因数分解:

$2^2\times 3^3\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{877}}^1$

素因数の和:920

約数の個数: 288

約数和(自身を含む): 853556480

約数和(自身を除く): 638077580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 25, 26, 27, 28, 30, 35, 36, 39, 42, 45, 50, 52, 54, 60, 63, 65, 70, 75, 78, 84, 90, 91, 100, 105, 108, 117, 126, 130, 135, 140, 150, 156, 175, 180, 182, 189, 195, 210, 225, 234, 252, 260, 270, 273, 300, 315, 325, 350, 351, 364, 378, 390, 420, 450, 455, 468, 525, 540, 546, 585, 630, 650, 675, 700, 702, 756, 780, 819, 877, 900, 910, 945, 975, 1050, 1092, 1170, 1260, 1300, 1350, 1365, 1404, 1575, 1638, 1754, 1755, 1820, 1890, 1950, 2100, 2275, 2340, 2457, 2631, 2700, 2730, 2925, 3150, 3276, 3508, 3510, 3780, 3900, 4095, 4385, 4550, 4725, 4914, 5262, 5460, 5850, 6139, 6300, 6825, 7020, 7893, 8190, 8770, 8775, 9100, 9450, 9828, 10524, 11401, 11700, 12278, 12285, 13155, 13650, 15786, 16380, 17540, 17550, 18417, 18900, 20475, 21925, 22802, 23679, 24556, 24570, 26310, 27300, 30695, 31572, 34203, 35100, 36834, 39465, 40950, 43850, 45604, 47358, 49140, 52620, 55251, 57005, 61390, 61425, 65775, 68406, 73668, 78930, 79807, 81900, 87700, 92085, 94716, 102609, 110502, 114010, 118395, 122780, 122850, 131550, 136812, 153475, 157860, 159614, 165753, 171015, 184170, 197325, 205218, 221004, 228020, 236790, 239421, 245700, 263100, 276255, 285025, 306950, 307827, 319228, 331506, 342030, 368340, 394650, 399035, 410436, 460425, 473580, 478842, 513045, 552510, 570050, 591975, 613900, 615654, 663012, 684060, 718263, 789300, 798070, 828765, 855075, 920850, 957684, 1026090, 1105020, 1140100, 1183950, 1197105, 1231308, 1381275, 1436526, 1539135, 1596140, 1657530, 1710150, 1841700, 1995175, 2052180, 2154789, 2367900, 2394210, 2565225, 2762550, 2873052, 3078270, 3315060, 3420300, 3591315, 3990350, 4143825, 4309578, 4788420, 5130450, 5525100, 5985525, 6156540, 7182630, 7695675, 7980700, 8287650, 8619156, 10260900, 10773945, 11971050, 14365260, 15391350, 16575300, 17956575, 21547890, 23942100, 30782700, 35913150, 43095780, 53869725, 71826300, 107739450, 215478900]

約数ペア:

[(1, 215478900), (2, 107739450), (3, 71826300), (4, 53869725), (5, 43095780), (6, 35913150), (7, 30782700), (9, 23942100), (10, 21547890), (12, 17956575), (13, 16575300), (14, 15391350), (15, 14365260), (18, 11971050), (20, 10773945), (21, 10260900), (25, 8619156), (26, 8287650), (27, 7980700), (28, 7695675), (30, 7182630), (35, 6156540), (36, 5985525), (39, 5525100), (42, 5130450), (45, 4788420), (50, 4309578), (52, 4143825), (54, 3990350), (60, 3591315), (63, 3420300), (65, 3315060), (70, 3078270), (75, 2873052), (78, 2762550), (84, 2565225), (90, 2394210), (91, 2367900), (100, 2154789), (105, 2052180), (108, 1995175), (117, 1841700), (126, 1710150), (130, 1657530), (135, 1596140), (140, 1539135), (150, 1436526), (156, 1381275), (175, 1231308), (180, 1197105), (182, 1183950), (189, 1140100), (195, 1105020), (210, 1026090), (225, 957684), (234, 920850), (252, 855075), (260, 828765), (270, 798070), (273, 789300), (300, 718263), (315, 684060), (325, 663012), (350, 615654), (351, 613900), (364, 591975), (378, 570050), (390, 552510), (420, 513045), (450, 478842), (455, 473580), (468, 460425), (525, 410436), (540, 399035), (546, 394650), (585, 368340), (630, 342030), (650, 331506), (675, 319228), (700, 307827), (702, 306950), (756, 285025), (780, 276255), (819, 263100), (877, 245700), (900, 239421), (910, 236790), (945, 228020), (975, 221004), (1050, 205218), (1092, 197325), (1170, 184170), (1260, 171015), (1300, 165753), (1350, 159614), (1365, 157860), (1404, 153475), (1575, 136812), (1638, 131550), (1754, 122850), (1755, 122780), (1820, 118395), (1890, 114010), (1950, 110502), (2100, 102609), (2275, 94716), (2340, 92085), (2457, 87700), (2631, 81900), (2700, 79807), (2730, 78930), (2925, 73668), (3150, 68406), (3276, 65775), (3508, 61425), (3510, 61390), (3780, 57005), (3900, 55251), (4095, 52620), (4385, 49140), (4550, 47358), (4725, 45604), (4914, 43850), (5262, 40950), (5460, 39465), (5850, 36834), (6139, 35100), (6300, 34203), (6825, 31572), (7020, 30695), (7893, 27300), (8190, 26310), (8770, 24570), (8775, 24556), (9100, 23679), (9450, 22802), (9828, 21925), (10524, 20475), (11401, 18900), (11700, 18417), (12278, 17550), (12285, 17540), (13155, 16380), (13650, 15786)]