195807780

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{557}}^1$

素因数の和:616

約数の個数: 240

約数和(自身を含む): 725953536

約数和(自身を除く): 530145756

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 31, 35, 36, 42, 45, 54, 60, 62, 63, 70, 81, 84, 90, 93, 105, 108, 124, 126, 135, 140, 155, 162, 180, 186, 189, 210, 217, 252, 270, 279, 310, 315, 324, 372, 378, 405, 420, 434, 465, 540, 557, 558, 567, 620, 630, 651, 756, 810, 837, 868, 930, 945, 1085, 1114, 1116, 1134, 1260, 1302, 1395, 1620, 1671, 1674, 1860, 1890, 1953, 2170, 2228, 2268, 2511, 2604, 2785, 2790, 2835, 3255, 3342, 3348, 3780, 3899, 3906, 4185, 4340, 5013, 5022, 5570, 5580, 5670, 5859, 6510, 6684, 7798, 7812, 8355, 8370, 9765, 10026, 10044, 11140, 11340, 11697, 11718, 12555, 13020, 15039, 15596, 16710, 16740, 17267, 17577, 19495, 19530, 20052, 23394, 23436, 25065, 25110, 29295, 30078, 33420, 34534, 35091, 35154, 38990, 39060, 45117, 46788, 50130, 50220, 51801, 58485, 58590, 60156, 69068, 70182, 70308, 75195, 77980, 86335, 87885, 90234, 100260, 103602, 105273, 116970, 117180, 120869, 140364, 150390, 155403, 172670, 175455, 175770, 180468, 207204, 210546, 225585, 233940, 241738, 259005, 300780, 310806, 315819, 345340, 350910, 351540, 362607, 421092, 451170, 466209, 483476, 518010, 526365, 604345, 621612, 631638, 701820, 725214, 777015, 902340, 932418, 1036020, 1052730, 1087821, 1208690, 1263276, 1398627, 1450428, 1554030, 1579095, 1813035, 1864836, 2105460, 2175642, 2331045, 2417380, 2797254, 3108060, 3158190, 3263463, 3626070, 4351284, 4662090, 5439105, 5594508, 6316380, 6526926, 6993135, 7252140, 9324180, 9790389, 10878210, 13053852, 13986270, 16317315, 19580778, 21756420, 27972540, 32634630, 39161556, 48951945, 65269260, 97903890, 195807780]

約数ペア:

[(1, 195807780), (2, 97903890), (3, 65269260), (4, 48951945), (5, 39161556), (6, 32634630), (7, 27972540), (9, 21756420), (10, 19580778), (12, 16317315), (14, 13986270), (15, 13053852), (18, 10878210), (20, 9790389), (21, 9324180), (27, 7252140), (28, 6993135), (30, 6526926), (31, 6316380), (35, 5594508), (36, 5439105), (42, 4662090), (45, 4351284), (54, 3626070), (60, 3263463), (62, 3158190), (63, 3108060), (70, 2797254), (81, 2417380), (84, 2331045), (90, 2175642), (93, 2105460), (105, 1864836), (108, 1813035), (124, 1579095), (126, 1554030), (135, 1450428), (140, 1398627), (155, 1263276), (162, 1208690), (180, 1087821), (186, 1052730), (189, 1036020), (210, 932418), (217, 902340), (252, 777015), (270, 725214), (279, 701820), (310, 631638), (315, 621612), (324, 604345), (372, 526365), (378, 518010), (405, 483476), (420, 466209), (434, 451170), (465, 421092), (540, 362607), (557, 351540), (558, 350910), (567, 345340), (620, 315819), (630, 310806), (651, 300780), (756, 259005), (810, 241738), (837, 233940), (868, 225585), (930, 210546), (945, 207204), (1085, 180468), (1114, 175770), (1116, 175455), (1134, 172670), (1260, 155403), (1302, 150390), (1395, 140364), (1620, 120869), (1671, 117180), (1674, 116970), (1860, 105273), (1890, 103602), (1953, 100260), (2170, 90234), (2228, 87885), (2268, 86335), (2511, 77980), (2604, 75195), (2785, 70308), (2790, 70182), (2835, 69068), (3255, 60156), (3342, 58590), (3348, 58485), (3780, 51801), (3899, 50220), (3906, 50130), (4185, 46788), (4340, 45117), (5013, 39060), (5022, 38990), (5570, 35154), (5580, 35091), (5670, 34534), (5859, 33420), (6510, 30078), (6684, 29295), (7798, 25110), (7812, 25065), (8355, 23436), (8370, 23394), (9765, 20052), (10026, 19530), (10044, 19495), (11140, 17577), (11340, 17267), (11697, 16740), (11718, 16710), (12555, 15596), (13020, 15039)]