153746840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:253

約数の個数: 128

約数和(自身を含む): 391849920

約数和(自身を除く): 238103080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 61, 65, 74, 104, 122, 130, 131, 148, 185, 244, 260, 262, 296, 305, 370, 481, 488, 520, 524, 610, 655, 740, 793, 962, 1048, 1220, 1310, 1480, 1586, 1703, 1924, 2257, 2405, 2440, 2620, 3172, 3406, 3848, 3965, 4514, 4810, 4847, 5240, 6344, 6812, 7930, 7991, 8515, 9028, 9620, 9694, 11285, 13624, 15860, 15982, 17030, 18056, 19240, 19388, 22570, 24235, 29341, 31720, 31964, 34060, 38776, 39955, 45140, 48470, 58682, 63011, 63928, 68120, 79910, 90280, 96940, 103883, 117364, 126022, 146705, 159820, 193880, 207766, 234728, 252044, 293410, 295667, 315055, 319640, 415532, 504088, 519415, 586820, 591334, 630110, 831064, 1038830, 1173640, 1182668, 1260220, 1478335, 2077660, 2365336, 2520440, 2956670, 3843671, 4155320, 5913340, 7687342, 11826680, 15374684, 19218355, 30749368, 38436710, 76873420, 153746840]

約数ペア:

[(1, 153746840), (2, 76873420), (4, 38436710), (5, 30749368), (8, 19218355), (10, 15374684), (13, 11826680), (20, 7687342), (26, 5913340), (37, 4155320), (40, 3843671), (52, 2956670), (61, 2520440), (65, 2365336), (74, 2077660), (104, 1478335), (122, 1260220), (130, 1182668), (131, 1173640), (148, 1038830), (185, 831064), (244, 630110), (260, 591334), (262, 586820), (296, 519415), (305, 504088), (370, 415532), (481, 319640), (488, 315055), (520, 295667), (524, 293410), (610, 252044), (655, 234728), (740, 207766), (793, 193880), (962, 159820), (1048, 146705), (1220, 126022), (1310, 117364), (1480, 103883), (1586, 96940), (1703, 90280), (1924, 79910), (2257, 68120), (2405, 63928), (2440, 63011), (2620, 58682), (3172, 48470), (3406, 45140), (3848, 39955), (3965, 38776), (4514, 34060), (4810, 31964), (4847, 31720), (5240, 29341), (6344, 24235), (6812, 22570), (7930, 19388), (7991, 19240), (8515, 18056), (9028, 17030), (9620, 15982), (9694, 15860), (11285, 13624)]