16780468640

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{13697}}^1$

素因数の和:13775

約数の個数: 192

約数和(自身を含む): 46393482240

約数和(自身を除く): 29613013600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 31, 32, 38, 40, 52, 62, 65, 76, 80, 95, 104, 124, 130, 152, 155, 160, 190, 208, 247, 248, 260, 304, 310, 380, 403, 416, 494, 496, 520, 589, 608, 620, 760, 806, 988, 992, 1040, 1178, 1235, 1240, 1520, 1612, 1976, 2015, 2080, 2356, 2470, 2480, 2945, 3040, 3224, 3952, 4030, 4712, 4940, 4960, 5890, 6448, 7657, 7904, 8060, 9424, 9880, 11780, 12896, 13697, 15314, 16120, 18848, 19760, 23560, 27394, 30628, 32240, 38285, 39520, 47120, 54788, 61256, 64480, 68485, 76570, 94240, 109576, 122512, 136970, 153140, 178061, 219152, 245024, 260243, 273940, 306280, 356122, 424607, 438304, 520486, 547880, 612560, 712244, 849214, 890305, 1040972, 1095760, 1225120, 1301215, 1424488, 1698428, 1780610, 2081944, 2123035, 2191520, 2602430, 2848976, 3383159, 3396856, 3561220, 4163888, 4246070, 5204860, 5519891, 5697952, 6766318, 6793712, 7122440, 8067533, 8327776, 8492140, 10409720, 11039782, 13532636, 13587424, 14244880, 16135066, 16915795, 16984280, 20819440, 22079564, 27065272, 27599455, 28489760, 32270132, 33831590, 33968560, 40337665, 41638880, 44159128, 54130544, 55198910, 64540264, 67663180, 67937120, 80675330, 88318256, 104877929, 108261088, 110397820, 129080528, 135326360, 161350660, 176636512, 209755858, 220795640, 258161056, 270652720, 322701320, 419511716, 441591280, 524389645, 541305440, 645402640, 839023432, 883182560, 1048779290, 1290805280, 1678046864, 2097558580, 3356093728, 4195117160, 8390234320, 16780468640]

約数ペア:

[(1, 16780468640), (2, 8390234320), (4, 4195117160), (5, 3356093728), (8, 2097558580), (10, 1678046864), (13, 1290805280), (16, 1048779290), (19, 883182560), (20, 839023432), (26, 645402640), (31, 541305440), (32, 524389645), (38, 441591280), (40, 419511716), (52, 322701320), (62, 270652720), (65, 258161056), (76, 220795640), (80, 209755858), (95, 176636512), (104, 161350660), (124, 135326360), (130, 129080528), (152, 110397820), (155, 108261088), (160, 104877929), (190, 88318256), (208, 80675330), (247, 67937120), (248, 67663180), (260, 64540264), (304, 55198910), (310, 54130544), (380, 44159128), (403, 41638880), (416, 40337665), (494, 33968560), (496, 33831590), (520, 32270132), (589, 28489760), (608, 27599455), (620, 27065272), (760, 22079564), (806, 20819440), (988, 16984280), (992, 16915795), (1040, 16135066), (1178, 14244880), (1235, 13587424), (1240, 13532636), (1520, 11039782), (1612, 10409720), (1976, 8492140), (2015, 8327776), (2080, 8067533), (2356, 7122440), (2470, 6793712), (2480, 6766318), (2945, 5697952), (3040, 5519891), (3224, 5204860), (3952, 4246070), (4030, 4163888), (4712, 3561220), (4940, 3396856), (4960, 3383159), (5890, 2848976), (6448, 2602430), (7657, 2191520), (7904, 2123035), (8060, 2081944), (9424, 1780610), (9880, 1698428), (11780, 1424488), (12896, 1301215), (13697, 1225120), (15314, 1095760), (16120, 1040972), (18848, 890305), (19760, 849214), (23560, 712244), (27394, 612560), (30628, 547880), (32240, 520486), (38285, 438304), (39520, 424607), (47120, 356122), (54788, 306280), (61256, 273940), (64480, 260243), (68485, 245024), (76570, 219152), (94240, 178061), (109576, 153140), (122512, 136970)]