51604380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1$

素因数の和:304

約数の個数: 144

約数和(自身を含む): 167731200

約数和(自身を除く): 116126820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 79, 90, 95, 114, 158, 171, 180, 190, 191, 228, 237, 285, 316, 342, 380, 382, 395, 474, 570, 573, 684, 711, 764, 790, 855, 948, 955, 1140, 1146, 1185, 1422, 1501, 1580, 1710, 1719, 1910, 2292, 2370, 2844, 2865, 3002, 3420, 3438, 3555, 3629, 3820, 4503, 4740, 5730, 6004, 6876, 7110, 7258, 7505, 8595, 9006, 10887, 11460, 13509, 14220, 14516, 15010, 15089, 17190, 18012, 18145, 21774, 22515, 27018, 30020, 30178, 32661, 34380, 36290, 43548, 45030, 45267, 54036, 54435, 60356, 65322, 67545, 72580, 75445, 90060, 90534, 108870, 130644, 135090, 135801, 150890, 163305, 181068, 217740, 226335, 270180, 271602, 286691, 301780, 326610, 452670, 543204, 573382, 653220, 679005, 860073, 905340, 1146764, 1358010, 1433455, 1720146, 2580219, 2716020, 2866910, 3440292, 4300365, 5160438, 5733820, 8600730, 10320876, 12901095, 17201460, 25802190, 51604380]

約数ペア:

[(1, 51604380), (2, 25802190), (3, 17201460), (4, 12901095), (5, 10320876), (6, 8600730), (9, 5733820), (10, 5160438), (12, 4300365), (15, 3440292), (18, 2866910), (19, 2716020), (20, 2580219), (30, 1720146), (36, 1433455), (38, 1358010), (45, 1146764), (57, 905340), (60, 860073), (76, 679005), (79, 653220), (90, 573382), (95, 543204), (114, 452670), (158, 326610), (171, 301780), (180, 286691), (190, 271602), (191, 270180), (228, 226335), (237, 217740), (285, 181068), (316, 163305), (342, 150890), (380, 135801), (382, 135090), (395, 130644), (474, 108870), (570, 90534), (573, 90060), (684, 75445), (711, 72580), (764, 67545), (790, 65322), (855, 60356), (948, 54435), (955, 54036), (1140, 45267), (1146, 45030), (1185, 43548), (1422, 36290), (1501, 34380), (1580, 32661), (1710, 30178), (1719, 30020), (1910, 27018), (2292, 22515), (2370, 21774), (2844, 18145), (2865, 18012), (3002, 17190), (3420, 15089), (3438, 15010), (3555, 14516), (3629, 14220), (3820, 13509), (4503, 11460), (4740, 10887), (5730, 9006), (6004, 8595), (6876, 7505), (7110, 7258)]