157793720

素因数分解:

$2^3\times 5^1\times 7^4\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:123

約数の個数: 160

約数和(自身を含む): 435611520

約数和(自身を除く): 277817800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 49, 53, 56, 62, 70, 98, 106, 124, 140, 155, 196, 212, 217, 245, 248, 265, 280, 310, 343, 371, 392, 424, 434, 490, 530, 620, 686, 742, 868, 980, 1060, 1085, 1240, 1372, 1484, 1519, 1643, 1715, 1736, 1855, 1960, 2120, 2170, 2401, 2597, 2744, 2968, 3038, 3286, 3430, 3710, 4340, 4802, 5194, 6076, 6572, 6860, 7420, 7595, 8215, 8680, 9604, 10388, 10633, 11501, 12005, 12152, 12985, 13144, 13720, 14840, 15190, 16430, 18179, 19208, 20776, 21266, 23002, 24010, 25970, 30380, 32860, 36358, 42532, 46004, 48020, 51940, 53165, 57505, 60760, 65720, 72716, 74431, 80507, 85064, 90895, 92008, 96040, 103880, 106330, 115010, 127253, 145432, 148862, 161014, 181790, 212660, 230020, 254506, 297724, 322028, 363580, 372155, 402535, 425320, 460040, 509012, 563549, 595448, 636265, 644056, 727160, 744310, 805070, 1018024, 1127098, 1272530, 1488620, 1610140, 2254196, 2545060, 2817745, 2977240, 3220280, 3944843, 4508392, 5090120, 5635490, 7889686, 11270980, 15779372, 19724215, 22541960, 31558744, 39448430, 78896860, 157793720]

約数ペア:

[(1, 157793720), (2, 78896860), (4, 39448430), (5, 31558744), (7, 22541960), (8, 19724215), (10, 15779372), (14, 11270980), (20, 7889686), (28, 5635490), (31, 5090120), (35, 4508392), (40, 3944843), (49, 3220280), (53, 2977240), (56, 2817745), (62, 2545060), (70, 2254196), (98, 1610140), (106, 1488620), (124, 1272530), (140, 1127098), (155, 1018024), (196, 805070), (212, 744310), (217, 727160), (245, 644056), (248, 636265), (265, 595448), (280, 563549), (310, 509012), (343, 460040), (371, 425320), (392, 402535), (424, 372155), (434, 363580), (490, 322028), (530, 297724), (620, 254506), (686, 230020), (742, 212660), (868, 181790), (980, 161014), (1060, 148862), (1085, 145432), (1240, 127253), (1372, 115010), (1484, 106330), (1519, 103880), (1643, 96040), (1715, 92008), (1736, 90895), (1855, 85064), (1960, 80507), (2120, 74431), (2170, 72716), (2401, 65720), (2597, 60760), (2744, 57505), (2968, 53165), (3038, 51940), (3286, 48020), (3430, 46004), (3710, 42532), (4340, 36358), (4802, 32860), (5194, 30380), (6076, 25970), (6572, 24010), (6860, 23002), (7420, 21266), (7595, 20776), (8215, 19208), (8680, 18179), (9604, 16430), (10388, 15190), (10633, 14840), (11501, 13720), (12005, 13144), (12152, 12985)]