305791320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1889}}^1$

素因数の和:1993

約数の個数: 128

約数和(自身を含む): 979776000

約数和(自身を除く): 673984680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 71, 76, 95, 114, 120, 142, 152, 190, 213, 228, 284, 285, 355, 380, 426, 456, 568, 570, 710, 760, 852, 1065, 1140, 1349, 1420, 1704, 1889, 2130, 2280, 2698, 2840, 3778, 4047, 4260, 5396, 5667, 6745, 7556, 8094, 8520, 9445, 10792, 11334, 13490, 15112, 16188, 18890, 20235, 22668, 26980, 28335, 32376, 35891, 37780, 40470, 45336, 53960, 56670, 71782, 75560, 80940, 107673, 113340, 134119, 143564, 161880, 179455, 215346, 226680, 268238, 287128, 358910, 402357, 430692, 536476, 538365, 670595, 717820, 804714, 861384, 1072952, 1076730, 1341190, 1435640, 1609428, 2011785, 2153460, 2548261, 2682380, 3218856, 4023570, 4306920, 5096522, 5364760, 7644783, 8047140, 10193044, 12741305, 15289566, 16094280, 20386088, 25482610, 30579132, 38223915, 50965220, 61158264, 76447830, 101930440, 152895660, 305791320]

約数ペア:

[(1, 305791320), (2, 152895660), (3, 101930440), (4, 76447830), (5, 61158264), (6, 50965220), (8, 38223915), (10, 30579132), (12, 25482610), (15, 20386088), (19, 16094280), (20, 15289566), (24, 12741305), (30, 10193044), (38, 8047140), (40, 7644783), (57, 5364760), (60, 5096522), (71, 4306920), (76, 4023570), (95, 3218856), (114, 2682380), (120, 2548261), (142, 2153460), (152, 2011785), (190, 1609428), (213, 1435640), (228, 1341190), (284, 1076730), (285, 1072952), (355, 861384), (380, 804714), (426, 717820), (456, 670595), (568, 538365), (570, 536476), (710, 430692), (760, 402357), (852, 358910), (1065, 287128), (1140, 268238), (1349, 226680), (1420, 215346), (1704, 179455), (1889, 161880), (2130, 143564), (2280, 134119), (2698, 113340), (2840, 107673), (3778, 80940), (4047, 75560), (4260, 71782), (5396, 56670), (5667, 53960), (6745, 45336), (7556, 40470), (8094, 37780), (8520, 35891), (9445, 32376), (10792, 28335), (11334, 26980), (13490, 22668), (15112, 20235), (16188, 18890)]