1320201397580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{1249741}}^1$

素因数の和:1250019

約数の個数: 96

約数和(自身を含む): 3174544638720

約数和(自身を除く): 1854343241140

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 239, 260, 340, 442, 478, 884, 956, 1105, 1195, 2210, 2390, 3107, 4063, 4420, 4780, 6214, 8126, 12428, 15535, 16252, 20315, 31070, 40630, 52819, 62140, 81260, 105638, 211276, 264095, 528190, 1056380, 1249741, 2499482, 4998964, 6248705, 12497410, 16246633, 21245597, 24994820, 32493266, 42491194, 64986532, 81233165, 84982388, 106227985, 162466330, 212455970, 276192761, 298688099, 324932660, 424911940, 552385522, 597376198, 1104771044, 1194752396, 1380963805, 1493440495, 2761927610, 2986880990, 3882945287, 5077697683, 5523855220, 5973761980, 7765890574, 10155395366, 15531781148, 19414726435, 20310790732, 25388488415, 38829452870, 50776976830, 66010069879, 77658905740, 101553953660, 132020139758, 264040279516, 330050349395, 660100698790, 1320201397580]

約数ペア:

[(1, 1320201397580), (2, 660100698790), (4, 330050349395), (5, 264040279516), (10, 132020139758), (13, 101553953660), (17, 77658905740), (20, 66010069879), (26, 50776976830), (34, 38829452870), (52, 25388488415), (65, 20310790732), (68, 19414726435), (85, 15531781148), (130, 10155395366), (170, 7765890574), (221, 5973761980), (239, 5523855220), (260, 5077697683), (340, 3882945287), (442, 2986880990), (478, 2761927610), (884, 1493440495), (956, 1380963805), (1105, 1194752396), (1195, 1104771044), (2210, 597376198), (2390, 552385522), (3107, 424911940), (4063, 324932660), (4420, 298688099), (4780, 276192761), (6214, 212455970), (8126, 162466330), (12428, 106227985), (15535, 84982388), (16252, 81233165), (20315, 64986532), (31070, 42491194), (40630, 32493266), (52819, 24994820), (62140, 21245597), (81260, 16246633), (105638, 12497410), (211276, 6248705), (264095, 4998964), (528190, 2499482), (1056380, 1249741)]