128416260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1409}}^1$

素因数の和:1466

約数の個数: 144

約数和(自身を含む): 432069120

約数和(自身を除く): 303652860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 49, 60, 62, 70, 84, 93, 98, 105, 124, 140, 147, 155, 186, 196, 210, 217, 245, 294, 310, 372, 420, 434, 465, 490, 588, 620, 651, 735, 868, 930, 980, 1085, 1302, 1409, 1470, 1519, 1860, 2170, 2604, 2818, 2940, 3038, 3255, 4227, 4340, 4557, 5636, 6076, 6510, 7045, 7595, 8454, 9114, 9863, 13020, 14090, 15190, 16908, 18228, 19726, 21135, 22785, 28180, 29589, 30380, 39452, 42270, 43679, 45570, 49315, 59178, 69041, 84540, 87358, 91140, 98630, 118356, 131037, 138082, 147945, 174716, 197260, 207123, 218395, 262074, 276164, 295890, 305753, 345205, 414246, 436790, 524148, 591780, 611506, 655185, 690410, 828492, 873580, 917259, 1035615, 1223012, 1310370, 1380820, 1528765, 1834518, 2071230, 2140271, 2620740, 3057530, 3669036, 4142460, 4280542, 4586295, 6115060, 6420813, 8561084, 9172590, 10701355, 12841626, 18345180, 21402710, 25683252, 32104065, 42805420, 64208130, 128416260]

約数ペア:

[(1, 128416260), (2, 64208130), (3, 42805420), (4, 32104065), (5, 25683252), (6, 21402710), (7, 18345180), (10, 12841626), (12, 10701355), (14, 9172590), (15, 8561084), (20, 6420813), (21, 6115060), (28, 4586295), (30, 4280542), (31, 4142460), (35, 3669036), (42, 3057530), (49, 2620740), (60, 2140271), (62, 2071230), (70, 1834518), (84, 1528765), (93, 1380820), (98, 1310370), (105, 1223012), (124, 1035615), (140, 917259), (147, 873580), (155, 828492), (186, 690410), (196, 655185), (210, 611506), (217, 591780), (245, 524148), (294, 436790), (310, 414246), (372, 345205), (420, 305753), (434, 295890), (465, 276164), (490, 262074), (588, 218395), (620, 207123), (651, 197260), (735, 174716), (868, 147945), (930, 138082), (980, 131037), (1085, 118356), (1302, 98630), (1409, 91140), (1470, 87358), (1519, 84540), (1860, 69041), (2170, 59178), (2604, 49315), (2818, 45570), (2940, 43679), (3038, 42270), (3255, 39452), (4227, 30380), (4340, 29589), (4557, 28180), (5636, 22785), (6076, 21135), (6510, 19726), (7045, 18228), (7595, 16908), (8454, 15190), (9114, 14090), (9863, 13020)]