240178960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:249

約数の個数: 160

約数和(自身を含む): 664243200

約数和(自身を除く): 424064240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 61, 70, 79, 80, 89, 112, 122, 140, 158, 178, 244, 280, 305, 316, 356, 395, 427, 445, 488, 553, 560, 610, 623, 632, 712, 790, 854, 890, 976, 1106, 1220, 1246, 1264, 1424, 1580, 1708, 1780, 2135, 2212, 2440, 2492, 2765, 3115, 3160, 3416, 3560, 4270, 4424, 4819, 4880, 4984, 5429, 5530, 6230, 6320, 6832, 7031, 7120, 8540, 8848, 9638, 9968, 10858, 11060, 12460, 14062, 17080, 19276, 21716, 22120, 24095, 24920, 27145, 28124, 33733, 34160, 35155, 38003, 38552, 43432, 44240, 48190, 49217, 49840, 54290, 56248, 67466, 70310, 76006, 77104, 86864, 96380, 98434, 108580, 112496, 134932, 140620, 152012, 168665, 190015, 192760, 196868, 217160, 246085, 269864, 281240, 304024, 337330, 380030, 385520, 393736, 428891, 434320, 492170, 539728, 562480, 608048, 674660, 760060, 787472, 857782, 984340, 1349320, 1520120, 1715564, 1968680, 2144455, 2698640, 3002237, 3040240, 3431128, 3937360, 4288910, 6004474, 6862256, 8577820, 12008948, 15011185, 17155640, 24017896, 30022370, 34311280, 48035792, 60044740, 120089480, 240178960]

約数ペア:

[(1, 240178960), (2, 120089480), (4, 60044740), (5, 48035792), (7, 34311280), (8, 30022370), (10, 24017896), (14, 17155640), (16, 15011185), (20, 12008948), (28, 8577820), (35, 6862256), (40, 6004474), (56, 4288910), (61, 3937360), (70, 3431128), (79, 3040240), (80, 3002237), (89, 2698640), (112, 2144455), (122, 1968680), (140, 1715564), (158, 1520120), (178, 1349320), (244, 984340), (280, 857782), (305, 787472), (316, 760060), (356, 674660), (395, 608048), (427, 562480), (445, 539728), (488, 492170), (553, 434320), (560, 428891), (610, 393736), (623, 385520), (632, 380030), (712, 337330), (790, 304024), (854, 281240), (890, 269864), (976, 246085), (1106, 217160), (1220, 196868), (1246, 192760), (1264, 190015), (1424, 168665), (1580, 152012), (1708, 140620), (1780, 134932), (2135, 112496), (2212, 108580), (2440, 98434), (2492, 96380), (2765, 86864), (3115, 77104), (3160, 76006), (3416, 70310), (3560, 67466), (4270, 56248), (4424, 54290), (4819, 49840), (4880, 49217), (4984, 48190), (5429, 44240), (5530, 43432), (6230, 38552), (6320, 38003), (6832, 35155), (7031, 34160), (7120, 33733), (8540, 28124), (8848, 27145), (9638, 24920), (9968, 24095), (10858, 22120), (11060, 21716), (12460, 19276), (14062, 17080)]