245391840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8969}}^1$

素因数の和:9009

約数の個数: 144

約数和(自身を含む): 881571600

約数和(自身を除く): 636179760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 96, 114, 120, 144, 152, 160, 171, 180, 190, 228, 240, 285, 288, 304, 342, 360, 380, 456, 480, 570, 608, 684, 720, 760, 855, 912, 1140, 1368, 1440, 1520, 1710, 1824, 2280, 2736, 3040, 3420, 4560, 5472, 6840, 8969, 9120, 13680, 17938, 26907, 27360, 35876, 44845, 53814, 71752, 80721, 89690, 107628, 134535, 143504, 161442, 170411, 179380, 215256, 269070, 287008, 322884, 340822, 358760, 403605, 430512, 511233, 538140, 645768, 681644, 717520, 807210, 852055, 861024, 1022466, 1076280, 1291536, 1363288, 1435040, 1533699, 1614420, 1704110, 2044932, 2152560, 2556165, 2583072, 2726576, 3067398, 3228840, 3408220, 4089864, 4305120, 5112330, 5453152, 6134796, 6457680, 6816440, 7668495, 8179728, 10224660, 12269592, 12915360, 13632880, 15336990, 16359456, 20449320, 24539184, 27265760, 30673980, 40898640, 49078368, 61347960, 81797280, 122695920, 245391840]

約数ペア:

[(1, 245391840), (2, 122695920), (3, 81797280), (4, 61347960), (5, 49078368), (6, 40898640), (8, 30673980), (9, 27265760), (10, 24539184), (12, 20449320), (15, 16359456), (16, 15336990), (18, 13632880), (19, 12915360), (20, 12269592), (24, 10224660), (30, 8179728), (32, 7668495), (36, 6816440), (38, 6457680), (40, 6134796), (45, 5453152), (48, 5112330), (57, 4305120), (60, 4089864), (72, 3408220), (76, 3228840), (80, 3067398), (90, 2726576), (95, 2583072), (96, 2556165), (114, 2152560), (120, 2044932), (144, 1704110), (152, 1614420), (160, 1533699), (171, 1435040), (180, 1363288), (190, 1291536), (228, 1076280), (240, 1022466), (285, 861024), (288, 852055), (304, 807210), (342, 717520), (360, 681644), (380, 645768), (456, 538140), (480, 511233), (570, 430512), (608, 403605), (684, 358760), (720, 340822), (760, 322884), (855, 287008), (912, 269070), (1140, 215256), (1368, 179380), (1440, 170411), (1520, 161442), (1710, 143504), (1824, 134535), (2280, 107628), (2736, 89690), (3040, 80721), (3420, 71752), (4560, 53814), (5472, 44845), (6840, 35876), (8969, 27360), (9120, 26907), (13680, 17938)]