28937760

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{167}}^1$

素因数の和:223

約数の個数: 144

約数和(自身を含む): 96780096

約数和(自身を除く): 67842336

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 76, 80, 95, 96, 114, 120, 152, 160, 167, 190, 228, 240, 285, 304, 334, 361, 380, 456, 480, 501, 570, 608, 668, 722, 760, 835, 912, 1002, 1083, 1140, 1336, 1444, 1520, 1670, 1805, 1824, 2004, 2166, 2280, 2505, 2672, 2888, 3040, 3173, 3340, 3610, 4008, 4332, 4560, 5010, 5344, 5415, 5776, 6346, 6680, 7220, 8016, 8664, 9120, 9519, 10020, 10830, 11552, 12692, 13360, 14440, 15865, 16032, 17328, 19038, 20040, 21660, 25384, 26720, 28880, 31730, 34656, 38076, 40080, 43320, 47595, 50768, 57760, 60287, 63460, 76152, 80160, 86640, 95190, 101536, 120574, 126920, 152304, 173280, 180861, 190380, 241148, 253840, 301435, 304608, 361722, 380760, 482296, 507680, 602870, 723444, 761520, 904305, 964592, 1205740, 1446888, 1523040, 1808610, 1929184, 2411480, 2893776, 3617220, 4822960, 5787552, 7234440, 9645920, 14468880, 28937760]

約数ペア:

[(1, 28937760), (2, 14468880), (3, 9645920), (4, 7234440), (5, 5787552), (6, 4822960), (8, 3617220), (10, 2893776), (12, 2411480), (15, 1929184), (16, 1808610), (19, 1523040), (20, 1446888), (24, 1205740), (30, 964592), (32, 904305), (38, 761520), (40, 723444), (48, 602870), (57, 507680), (60, 482296), (76, 380760), (80, 361722), (95, 304608), (96, 301435), (114, 253840), (120, 241148), (152, 190380), (160, 180861), (167, 173280), (190, 152304), (228, 126920), (240, 120574), (285, 101536), (304, 95190), (334, 86640), (361, 80160), (380, 76152), (456, 63460), (480, 60287), (501, 57760), (570, 50768), (608, 47595), (668, 43320), (722, 40080), (760, 38076), (835, 34656), (912, 31730), (1002, 28880), (1083, 26720), (1140, 25384), (1336, 21660), (1444, 20040), (1520, 19038), (1670, 17328), (1805, 16032), (1824, 15865), (2004, 14440), (2166, 13360), (2280, 12692), (2505, 11552), (2672, 10830), (2888, 10020), (3040, 9519), (3173, 9120), (3340, 8664), (3610, 8016), (4008, 7220), (4332, 6680), (4560, 6346), (5010, 5776), (5344, 5415)]