161851500

素因数分解:

$2^2\times 3^3\times 5^3\times {\mathrm{19}}^1\times {\mathrm{631}}^1$

素因数の和:678

約数の個数: 192

約数和(自身を含む): 552115200

約数和(自身を除く): 390263700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 27, 30, 36, 38, 45, 50, 54, 57, 60, 75, 76, 90, 95, 100, 108, 114, 125, 135, 150, 171, 180, 190, 225, 228, 250, 270, 285, 300, 342, 375, 380, 450, 475, 500, 513, 540, 570, 631, 675, 684, 750, 855, 900, 950, 1026, 1125, 1140, 1262, 1350, 1425, 1500, 1710, 1893, 1900, 2052, 2250, 2375, 2524, 2565, 2700, 2850, 3155, 3375, 3420, 3786, 4275, 4500, 4750, 5130, 5679, 5700, 6310, 6750, 7125, 7572, 8550, 9465, 9500, 10260, 11358, 11989, 12620, 12825, 13500, 14250, 15775, 17037, 17100, 18930, 21375, 22716, 23978, 25650, 28395, 28500, 31550, 34074, 35967, 37860, 42750, 47325, 47956, 51300, 56790, 59945, 63100, 64125, 68148, 71934, 78875, 85185, 85500, 94650, 107901, 113580, 119890, 128250, 141975, 143868, 157750, 170370, 179835, 189300, 215802, 236625, 239780, 256500, 283950, 299725, 315500, 323703, 340740, 359670, 425925, 431604, 473250, 539505, 567900, 599450, 647406, 709875, 719340, 851850, 899175, 946500, 1079010, 1198900, 1294812, 1419750, 1498625, 1618515, 1703700, 1798350, 2129625, 2158020, 2697525, 2839500, 2997250, 3237030, 3596700, 4259250, 4495875, 5395050, 5994500, 6474060, 8092575, 8518500, 8991750, 10790100, 13487625, 16185150, 17983500, 26975250, 32370300, 40462875, 53950500, 80925750, 161851500]

約数ペア:

[(1, 161851500), (2, 80925750), (3, 53950500), (4, 40462875), (5, 32370300), (6, 26975250), (9, 17983500), (10, 16185150), (12, 13487625), (15, 10790100), (18, 8991750), (19, 8518500), (20, 8092575), (25, 6474060), (27, 5994500), (30, 5395050), (36, 4495875), (38, 4259250), (45, 3596700), (50, 3237030), (54, 2997250), (57, 2839500), (60, 2697525), (75, 2158020), (76, 2129625), (90, 1798350), (95, 1703700), (100, 1618515), (108, 1498625), (114, 1419750), (125, 1294812), (135, 1198900), (150, 1079010), (171, 946500), (180, 899175), (190, 851850), (225, 719340), (228, 709875), (250, 647406), (270, 599450), (285, 567900), (300, 539505), (342, 473250), (375, 431604), (380, 425925), (450, 359670), (475, 340740), (500, 323703), (513, 315500), (540, 299725), (570, 283950), (631, 256500), (675, 239780), (684, 236625), (750, 215802), (855, 189300), (900, 179835), (950, 170370), (1026, 157750), (1125, 143868), (1140, 141975), (1262, 128250), (1350, 119890), (1425, 113580), (1500, 107901), (1710, 94650), (1893, 85500), (1900, 85185), (2052, 78875), (2250, 71934), (2375, 68148), (2524, 64125), (2565, 63100), (2700, 59945), (2850, 56790), (3155, 51300), (3375, 47956), (3420, 47325), (3786, 42750), (4275, 37860), (4500, 35967), (4750, 34074), (5130, 31550), (5679, 28500), (5700, 28395), (6310, 25650), (6750, 23978), (7125, 22716), (7572, 21375), (8550, 18930), (9465, 17100), (9500, 17037), (10260, 15775), (11358, 14250), (11989, 13500), (12620, 12825)]