21275587440

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{518411}}^1$

素因数の和:518452

約数の個数: 160

約数和(自身を含む): 77139705600

約数和(自身を除く): 55864118160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 90, 95, 108, 114, 120, 135, 144, 152, 171, 180, 190, 216, 228, 240, 270, 285, 304, 342, 360, 380, 432, 456, 513, 540, 570, 684, 720, 760, 855, 912, 1026, 1080, 1140, 1368, 1520, 1710, 2052, 2160, 2280, 2565, 2736, 3420, 4104, 4560, 5130, 6840, 8208, 10260, 13680, 20520, 41040, 518411, 1036822, 1555233, 2073644, 2592055, 3110466, 4147288, 4665699, 5184110, 6220932, 7776165, 8294576, 9331398, 9849809, 10368220, 12441864, 13997097, 15552330, 18662796, 19699618, 20736440, 23328495, 24883728, 27994194, 29549427, 31104660, 37325592, 39399236, 41472880, 46656990, 49249045, 55988388, 59098854, 62209320, 69985485, 74651184, 78798472, 88648281, 93313980, 98498090, 111976776, 118197708, 124418640, 139970970, 147747135, 157596944, 177296562, 186627960, 196996180, 223953552, 236395416, 265944843, 279941940, 295494270, 354593124, 373255920, 393992360, 443241405, 472790832, 531889686, 559883880, 590988540, 709186248, 787984720, 886482810, 1063779372, 1119767760, 1181977080, 1329724215, 1418372496, 1772965620, 2127558744, 2363954160, 2659448430, 3545931240, 4255117488, 5318896860, 7091862480, 10637793720, 21275587440]

約数ペア:

[(1, 21275587440), (2, 10637793720), (3, 7091862480), (4, 5318896860), (5, 4255117488), (6, 3545931240), (8, 2659448430), (9, 2363954160), (10, 2127558744), (12, 1772965620), (15, 1418372496), (16, 1329724215), (18, 1181977080), (19, 1119767760), (20, 1063779372), (24, 886482810), (27, 787984720), (30, 709186248), (36, 590988540), (38, 559883880), (40, 531889686), (45, 472790832), (48, 443241405), (54, 393992360), (57, 373255920), (60, 354593124), (72, 295494270), (76, 279941940), (80, 265944843), (90, 236395416), (95, 223953552), (108, 196996180), (114, 186627960), (120, 177296562), (135, 157596944), (144, 147747135), (152, 139970970), (171, 124418640), (180, 118197708), (190, 111976776), (216, 98498090), (228, 93313980), (240, 88648281), (270, 78798472), (285, 74651184), (304, 69985485), (342, 62209320), (360, 59098854), (380, 55988388), (432, 49249045), (456, 46656990), (513, 41472880), (540, 39399236), (570, 37325592), (684, 31104660), (720, 29549427), (760, 27994194), (855, 24883728), (912, 23328495), (1026, 20736440), (1080, 19699618), (1140, 18662796), (1368, 15552330), (1520, 13997097), (1710, 12441864), (2052, 10368220), (2160, 9849809), (2280, 9331398), (2565, 8294576), (2736, 7776165), (3420, 6220932), (4104, 5184110), (4560, 4665699), (5130, 4147288), (6840, 3110466), (8208, 2592055), (10260, 2073644), (13680, 1555233), (20520, 1036822), (41040, 518411)]