157804880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:277

約数の個数: 160

約数和(自身を含む): 424258560

約数和(自身を除く): 266453680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 31, 34, 38, 40, 62, 68, 76, 80, 85, 95, 124, 136, 152, 155, 170, 190, 197, 248, 272, 304, 310, 323, 340, 380, 394, 496, 527, 589, 620, 646, 680, 760, 788, 985, 1054, 1178, 1240, 1292, 1360, 1520, 1576, 1615, 1970, 2108, 2356, 2480, 2584, 2635, 2945, 3152, 3230, 3349, 3743, 3940, 4216, 4712, 5168, 5270, 5890, 6107, 6460, 6698, 7486, 7880, 8432, 9424, 10013, 10540, 11780, 12214, 12920, 13396, 14972, 15760, 16745, 18715, 20026, 21080, 23560, 24428, 25840, 26792, 29944, 30535, 33490, 37430, 40052, 42160, 47120, 48856, 50065, 53584, 59888, 61070, 63631, 66980, 74860, 80104, 97712, 100130, 103819, 116033, 122140, 127262, 133960, 149720, 160208, 200260, 207638, 232066, 244280, 254524, 267920, 299440, 318155, 400520, 415276, 464132, 488560, 509048, 519095, 580165, 636310, 801040, 830552, 928264, 1018096, 1038190, 1160330, 1272620, 1661104, 1856528, 1972561, 2076380, 2320660, 2545240, 3945122, 4152760, 4641320, 5090480, 7890244, 8305520, 9282640, 9862805, 15780488, 19725610, 31560976, 39451220, 78902440, 157804880]

約数ペア:

[(1, 157804880), (2, 78902440), (4, 39451220), (5, 31560976), (8, 19725610), (10, 15780488), (16, 9862805), (17, 9282640), (19, 8305520), (20, 7890244), (31, 5090480), (34, 4641320), (38, 4152760), (40, 3945122), (62, 2545240), (68, 2320660), (76, 2076380), (80, 1972561), (85, 1856528), (95, 1661104), (124, 1272620), (136, 1160330), (152, 1038190), (155, 1018096), (170, 928264), (190, 830552), (197, 801040), (248, 636310), (272, 580165), (304, 519095), (310, 509048), (323, 488560), (340, 464132), (380, 415276), (394, 400520), (496, 318155), (527, 299440), (589, 267920), (620, 254524), (646, 244280), (680, 232066), (760, 207638), (788, 200260), (985, 160208), (1054, 149720), (1178, 133960), (1240, 127262), (1292, 122140), (1360, 116033), (1520, 103819), (1576, 100130), (1615, 97712), (1970, 80104), (2108, 74860), (2356, 66980), (2480, 63631), (2584, 61070), (2635, 59888), (2945, 53584), (3152, 50065), (3230, 48856), (3349, 47120), (3743, 42160), (3940, 40052), (4216, 37430), (4712, 33490), (5168, 30535), (5270, 29944), (5890, 26792), (6107, 25840), (6460, 24428), (6698, 23560), (7486, 21080), (7880, 20026), (8432, 18715), (9424, 16745), (10013, 15760), (10540, 14972), (11780, 13396), (12214, 12920)]