1583670340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:306

約数の個数: 144

約数和(自身を含む): 4003776000

約数和(自身を除く): 2420105660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 79, 124, 140, 149, 155, 158, 217, 298, 310, 316, 395, 434, 553, 596, 620, 745, 790, 868, 961, 1043, 1085, 1106, 1490, 1580, 1922, 2086, 2170, 2212, 2449, 2765, 2980, 3844, 4172, 4340, 4619, 4805, 4898, 5215, 5530, 6727, 9238, 9610, 9796, 10430, 11060, 11771, 12245, 13454, 17143, 18476, 19220, 20860, 23095, 23542, 24490, 26908, 32333, 33635, 34286, 46190, 47084, 48980, 58855, 64666, 67270, 68572, 75919, 82397, 85715, 92380, 117710, 129332, 134540, 143189, 151838, 161665, 164794, 171430, 235420, 286378, 303676, 323330, 329588, 342860, 364901, 379595, 411985, 531433, 572756, 646660, 715945, 729802, 759190, 823970, 1002323, 1062866, 1431890, 1459604, 1518380, 1647940, 1824505, 2004646, 2125732, 2554307, 2657165, 2863780, 3649010, 4009292, 5011615, 5108614, 5314330, 7298020, 10023230, 10217228, 10628660, 11311931, 12771535, 20046460, 22623862, 25543070, 45247724, 51086140, 56559655, 79183517, 113119310, 158367034, 226238620, 316734068, 395917585, 791835170, 1583670340]

約数ペア:

[(1, 1583670340), (2, 791835170), (4, 395917585), (5, 316734068), (7, 226238620), (10, 158367034), (14, 113119310), (20, 79183517), (28, 56559655), (31, 51086140), (35, 45247724), (62, 25543070), (70, 22623862), (79, 20046460), (124, 12771535), (140, 11311931), (149, 10628660), (155, 10217228), (158, 10023230), (217, 7298020), (298, 5314330), (310, 5108614), (316, 5011615), (395, 4009292), (434, 3649010), (553, 2863780), (596, 2657165), (620, 2554307), (745, 2125732), (790, 2004646), (868, 1824505), (961, 1647940), (1043, 1518380), (1085, 1459604), (1106, 1431890), (1490, 1062866), (1580, 1002323), (1922, 823970), (2086, 759190), (2170, 729802), (2212, 715945), (2449, 646660), (2765, 572756), (2980, 531433), (3844, 411985), (4172, 379595), (4340, 364901), (4619, 342860), (4805, 329588), (4898, 323330), (5215, 303676), (5530, 286378), (6727, 235420), (9238, 171430), (9610, 164794), (9796, 161665), (10430, 151838), (11060, 143189), (11771, 134540), (12245, 129332), (13454, 117710), (17143, 92380), (18476, 85715), (19220, 82397), (20860, 75919), (23095, 68572), (23542, 67270), (24490, 64666), (26908, 58855), (32333, 48980), (33635, 47084), (34286, 46190)]