1899180720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{138829}}^1$

素因数の和:138867

約数の個数: 120

約数和(自身を含む): 6713818800

約数和(自身を除く): 4814638080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 285, 304, 342, 360, 380, 456, 570, 684, 720, 760, 855, 912, 1140, 1368, 1520, 1710, 2280, 2736, 3420, 4560, 6840, 13680, 138829, 277658, 416487, 555316, 694145, 832974, 1110632, 1249461, 1388290, 1665948, 2082435, 2221264, 2498922, 2637751, 2776580, 3331896, 4164870, 4997844, 5275502, 5553160, 6247305, 6663792, 7913253, 8329740, 9995688, 10551004, 11106320, 12494610, 13188755, 15826506, 16659480, 19991376, 21102008, 23739759, 24989220, 26377510, 31653012, 33318960, 39566265, 42204016, 47479518, 49978440, 52755020, 63306024, 79132530, 94959036, 99956880, 105510040, 118698795, 126612048, 158265060, 189918072, 211020080, 237397590, 316530120, 379836144, 474795180, 633060240, 949590360, 1899180720]

約数ペア:

[(1, 1899180720), (2, 949590360), (3, 633060240), (4, 474795180), (5, 379836144), (6, 316530120), (8, 237397590), (9, 211020080), (10, 189918072), (12, 158265060), (15, 126612048), (16, 118698795), (18, 105510040), (19, 99956880), (20, 94959036), (24, 79132530), (30, 63306024), (36, 52755020), (38, 49978440), (40, 47479518), (45, 42204016), (48, 39566265), (57, 33318960), (60, 31653012), (72, 26377510), (76, 24989220), (80, 23739759), (90, 21102008), (95, 19991376), (114, 16659480), (120, 15826506), (144, 13188755), (152, 12494610), (171, 11106320), (180, 10551004), (190, 9995688), (228, 8329740), (240, 7913253), (285, 6663792), (304, 6247305), (342, 5553160), (360, 5275502), (380, 4997844), (456, 4164870), (570, 3331896), (684, 2776580), (720, 2637751), (760, 2498922), (855, 2221264), (912, 2082435), (1140, 1665948), (1368, 1388290), (1520, 1249461), (1710, 1110632), (2280, 832974), (2736, 694145), (3420, 555316), (4560, 416487), (6840, 277658), (13680, 138829)]