1947221640

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19813}}^1$

素因数の和:19853

約数の個数: 256

約数和(自身を含む): 7989004800

約数和(自身を除く): 6041783160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 27, 28, 30, 35, 36, 39, 40, 42, 45, 52, 54, 56, 60, 63, 65, 70, 72, 78, 84, 90, 91, 104, 105, 108, 117, 120, 126, 130, 135, 140, 156, 168, 180, 182, 189, 195, 210, 216, 234, 252, 260, 270, 273, 280, 312, 315, 351, 360, 364, 378, 390, 420, 455, 468, 504, 520, 540, 546, 585, 630, 702, 728, 756, 780, 819, 840, 910, 936, 945, 1080, 1092, 1170, 1260, 1365, 1404, 1512, 1560, 1638, 1755, 1820, 1890, 2184, 2340, 2457, 2520, 2730, 2808, 3276, 3510, 3640, 3780, 4095, 4680, 4914, 5460, 6552, 7020, 7560, 8190, 9828, 10920, 12285, 14040, 16380, 19656, 19813, 24570, 32760, 39626, 49140, 59439, 79252, 98280, 99065, 118878, 138691, 158504, 178317, 198130, 237756, 257569, 277382, 297195, 356634, 396260, 416073, 475512, 515138, 534951, 554764, 594390, 693455, 713268, 772707, 792520, 832146, 891585, 1030276, 1069902, 1109528, 1188780, 1248219, 1287845, 1386910, 1426536, 1545414, 1664292, 1783170, 1802983, 2060552, 2080365, 2139804, 2318121, 2377560, 2496438, 2575690, 2674755, 2773820, 3090828, 3328584, 3566340, 3605966, 3744657, 3863535, 4160730, 4279608, 4636242, 4992876, 5151380, 5349510, 5408949, 5547640, 6181656, 6241095, 6954363, 7132680, 7211932, 7489314, 7727070, 8321460, 9014915, 9272484, 9985752, 10302760, 10699020, 10817898, 11590605, 12482190, 13908726, 14423864, 14978628, 15454140, 16226847, 16642920, 18029830, 18544968, 18723285, 21398040, 21635796, 23181210, 24964380, 27044745, 27817452, 29957256, 30908280, 32453694, 34771815, 36059660, 37446570, 43271592, 46362420, 48680541, 49928760, 54089490, 55634904, 64907388, 69543630, 72119320, 74893140, 81134235, 92724840, 97361082, 108178980, 129814776, 139087260, 149786280, 162268470, 194722164, 216357960, 243402705, 278174520, 324536940, 389444328, 486805410, 649073880, 973610820, 1947221640]

約数ペア:

[(1, 1947221640), (2, 973610820), (3, 649073880), (4, 486805410), (5, 389444328), (6, 324536940), (7, 278174520), (8, 243402705), (9, 216357960), (10, 194722164), (12, 162268470), (13, 149786280), (14, 139087260), (15, 129814776), (18, 108178980), (20, 97361082), (21, 92724840), (24, 81134235), (26, 74893140), (27, 72119320), (28, 69543630), (30, 64907388), (35, 55634904), (36, 54089490), (39, 49928760), (40, 48680541), (42, 46362420), (45, 43271592), (52, 37446570), (54, 36059660), (56, 34771815), (60, 32453694), (63, 30908280), (65, 29957256), (70, 27817452), (72, 27044745), (78, 24964380), (84, 23181210), (90, 21635796), (91, 21398040), (104, 18723285), (105, 18544968), (108, 18029830), (117, 16642920), (120, 16226847), (126, 15454140), (130, 14978628), (135, 14423864), (140, 13908726), (156, 12482190), (168, 11590605), (180, 10817898), (182, 10699020), (189, 10302760), (195, 9985752), (210, 9272484), (216, 9014915), (234, 8321460), (252, 7727070), (260, 7489314), (270, 7211932), (273, 7132680), (280, 6954363), (312, 6241095), (315, 6181656), (351, 5547640), (360, 5408949), (364, 5349510), (378, 5151380), (390, 4992876), (420, 4636242), (455, 4279608), (468, 4160730), (504, 3863535), (520, 3744657), (540, 3605966), (546, 3566340), (585, 3328584), (630, 3090828), (702, 2773820), (728, 2674755), (756, 2575690), (780, 2496438), (819, 2377560), (840, 2318121), (910, 2139804), (936, 2080365), (945, 2060552), (1080, 1802983), (1092, 1783170), (1170, 1664292), (1260, 1545414), (1365, 1426536), (1404, 1386910), (1512, 1287845), (1560, 1248219), (1638, 1188780), (1755, 1109528), (1820, 1069902), (1890, 1030276), (2184, 891585), (2340, 832146), (2457, 792520), (2520, 772707), (2730, 713268), (2808, 693455), (3276, 594390), (3510, 554764), (3640, 534951), (3780, 515138), (4095, 475512), (4680, 416073), (4914, 396260), (5460, 356634), (6552, 297195), (7020, 277382), (7560, 257569), (8190, 237756), (9828, 198130), (10920, 178317), (12285, 158504), (14040, 138691), (16380, 118878), (19656, 99065), (19813, 98280), (24570, 79252), (32760, 59439), (39626, 49140)]