65787280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^2$

素因数の和:165

約数の個数: 120

約数和(自身を含む): 177316776

約数和(自身を除く): 111529496

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 61, 65, 68, 80, 85, 104, 122, 130, 136, 170, 208, 221, 244, 260, 272, 305, 340, 442, 488, 520, 610, 680, 793, 884, 976, 1037, 1040, 1105, 1220, 1360, 1586, 1768, 2074, 2210, 2440, 3172, 3536, 3721, 3965, 4148, 4420, 4880, 5185, 6344, 7442, 7930, 8296, 8840, 10370, 12688, 13481, 14884, 15860, 16592, 17680, 18605, 20740, 26962, 29768, 31720, 37210, 41480, 48373, 53924, 59536, 63257, 63440, 67405, 74420, 82960, 96746, 107848, 126514, 134810, 148840, 193492, 215696, 241865, 253028, 269620, 297680, 316285, 386984, 483730, 506056, 539240, 632570, 773968, 822341, 967460, 1012112, 1078480, 1265140, 1644682, 1934920, 2530280, 3289364, 3869840, 4111705, 5060560, 6578728, 8223410, 13157456, 16446820, 32893640, 65787280]

約数ペア:

[(1, 65787280), (2, 32893640), (4, 16446820), (5, 13157456), (8, 8223410), (10, 6578728), (13, 5060560), (16, 4111705), (17, 3869840), (20, 3289364), (26, 2530280), (34, 1934920), (40, 1644682), (52, 1265140), (61, 1078480), (65, 1012112), (68, 967460), (80, 822341), (85, 773968), (104, 632570), (122, 539240), (130, 506056), (136, 483730), (170, 386984), (208, 316285), (221, 297680), (244, 269620), (260, 253028), (272, 241865), (305, 215696), (340, 193492), (442, 148840), (488, 134810), (520, 126514), (610, 107848), (680, 96746), (793, 82960), (884, 74420), (976, 67405), (1037, 63440), (1040, 63257), (1105, 59536), (1220, 53924), (1360, 48373), (1586, 41480), (1768, 37210), (2074, 31720), (2210, 29768), (2440, 26962), (3172, 20740), (3536, 18605), (3721, 17680), (3965, 16592), (4148, 15860), (4420, 14884), (4880, 13481), (5185, 12688), (6344, 10370), (7442, 8840), (7930, 8296)]