28650480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:199

約数の個数: 160

約数和(自身を含む): 95946240

約数和(自身を除く): 67295760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 61, 76, 80, 95, 103, 114, 120, 122, 152, 183, 190, 206, 228, 240, 244, 285, 304, 305, 309, 366, 380, 412, 456, 488, 515, 570, 610, 618, 732, 760, 824, 912, 915, 976, 1030, 1140, 1159, 1220, 1236, 1464, 1520, 1545, 1648, 1830, 1957, 2060, 2280, 2318, 2440, 2472, 2928, 3090, 3477, 3660, 3914, 4120, 4560, 4636, 4880, 4944, 5795, 5871, 6180, 6283, 6954, 7320, 7828, 8240, 9272, 9785, 11590, 11742, 12360, 12566, 13908, 14640, 15656, 17385, 18544, 18849, 19570, 23180, 23484, 24720, 25132, 27816, 29355, 31312, 31415, 34770, 37698, 39140, 46360, 46968, 50264, 55632, 58710, 62830, 69540, 75396, 78280, 92720, 93936, 94245, 100528, 117420, 119377, 125660, 139080, 150792, 156560, 188490, 234840, 238754, 251320, 278160, 301584, 358131, 376980, 469680, 477508, 502640, 596885, 716262, 753960, 955016, 1193770, 1432524, 1507920, 1790655, 1910032, 2387540, 2865048, 3581310, 4775080, 5730096, 7162620, 9550160, 14325240, 28650480]

約数ペア:

[(1, 28650480), (2, 14325240), (3, 9550160), (4, 7162620), (5, 5730096), (6, 4775080), (8, 3581310), (10, 2865048), (12, 2387540), (15, 1910032), (16, 1790655), (19, 1507920), (20, 1432524), (24, 1193770), (30, 955016), (38, 753960), (40, 716262), (48, 596885), (57, 502640), (60, 477508), (61, 469680), (76, 376980), (80, 358131), (95, 301584), (103, 278160), (114, 251320), (120, 238754), (122, 234840), (152, 188490), (183, 156560), (190, 150792), (206, 139080), (228, 125660), (240, 119377), (244, 117420), (285, 100528), (304, 94245), (305, 93936), (309, 92720), (366, 78280), (380, 75396), (412, 69540), (456, 62830), (488, 58710), (515, 55632), (570, 50264), (610, 46968), (618, 46360), (732, 39140), (760, 37698), (824, 34770), (912, 31415), (915, 31312), (976, 29355), (1030, 27816), (1140, 25132), (1159, 24720), (1220, 23484), (1236, 23180), (1464, 19570), (1520, 18849), (1545, 18544), (1648, 17385), (1830, 15656), (1957, 14640), (2060, 13908), (2280, 12566), (2318, 12360), (2440, 11742), (2472, 11590), (2928, 9785), (3090, 9272), (3477, 8240), (3660, 7828), (3914, 7320), (4120, 6954), (4560, 6283), (4636, 6180), (4880, 5871), (4944, 5795)]