78443820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4789}}^1$

素因数の和:4824

約数の個数: 144

約数和(自身を含む): 292918080

約数和(自身を除く): 214474260

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3276, 4095, 4789, 5460, 8190, 9578, 14367, 16380, 19156, 23945, 28734, 33523, 43101, 47890, 57468, 62257, 67046, 71835, 86202, 95780, 100569, 124514, 134092, 143670, 167615, 172404, 186771, 201138, 215505, 249028, 287340, 301707, 311285, 335230, 373542, 402276, 431010, 435799, 502845, 560313, 603414, 622570, 670460, 747084, 862020, 871598, 933855, 1005690, 1120626, 1206828, 1245140, 1307397, 1508535, 1743196, 1867710, 2011380, 2178995, 2241252, 2614794, 2801565, 3017070, 3735420, 3922191, 4357990, 5229588, 5603130, 6034140, 6536985, 7844382, 8715980, 11206260, 13073970, 15688764, 19610955, 26147940, 39221910, 78443820]

約数ペア:

[(1, 78443820), (2, 39221910), (3, 26147940), (4, 19610955), (5, 15688764), (6, 13073970), (7, 11206260), (9, 8715980), (10, 7844382), (12, 6536985), (13, 6034140), (14, 5603130), (15, 5229588), (18, 4357990), (20, 3922191), (21, 3735420), (26, 3017070), (28, 2801565), (30, 2614794), (35, 2241252), (36, 2178995), (39, 2011380), (42, 1867710), (45, 1743196), (52, 1508535), (60, 1307397), (63, 1245140), (65, 1206828), (70, 1120626), (78, 1005690), (84, 933855), (90, 871598), (91, 862020), (105, 747084), (117, 670460), (126, 622570), (130, 603414), (140, 560313), (156, 502845), (180, 435799), (182, 431010), (195, 402276), (210, 373542), (234, 335230), (252, 311285), (260, 301707), (273, 287340), (315, 249028), (364, 215505), (390, 201138), (420, 186771), (455, 172404), (468, 167615), (546, 143670), (585, 134092), (630, 124514), (780, 100569), (819, 95780), (910, 86202), (1092, 71835), (1170, 67046), (1260, 62257), (1365, 57468), (1638, 47890), (1820, 43101), (2340, 33523), (2730, 28734), (3276, 23945), (4095, 19156), (4789, 16380), (5460, 14367), (8190, 9578)]