72387720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{557}}^1$

素因数の和:612

約数の個数: 144

約数和(自身を含む): 248739660

約数和(自身を除く): 176351940

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 171, 180, 190, 228, 285, 342, 360, 361, 380, 456, 557, 570, 684, 722, 760, 855, 1083, 1114, 1140, 1368, 1444, 1671, 1710, 1805, 2166, 2228, 2280, 2785, 2888, 3249, 3342, 3420, 3610, 4332, 4456, 5013, 5415, 5570, 6498, 6684, 6840, 7220, 8355, 8664, 10026, 10583, 10830, 11140, 12996, 13368, 14440, 16245, 16710, 20052, 21166, 21660, 22280, 25065, 25992, 31749, 32490, 33420, 40104, 42332, 43320, 50130, 52915, 63498, 64980, 66840, 84664, 95247, 100260, 105830, 126996, 129960, 158745, 190494, 200520, 201077, 211660, 253992, 317490, 380988, 402154, 423320, 476235, 603231, 634980, 761976, 804308, 952470, 1005385, 1206462, 1269960, 1608616, 1809693, 1904940, 2010770, 2412924, 3016155, 3619386, 3809880, 4021540, 4825848, 6032310, 7238772, 8043080, 9048465, 12064620, 14477544, 18096930, 24129240, 36193860, 72387720]

約数ペア:

[(1, 72387720), (2, 36193860), (3, 24129240), (4, 18096930), (5, 14477544), (6, 12064620), (8, 9048465), (9, 8043080), (10, 7238772), (12, 6032310), (15, 4825848), (18, 4021540), (19, 3809880), (20, 3619386), (24, 3016155), (30, 2412924), (36, 2010770), (38, 1904940), (40, 1809693), (45, 1608616), (57, 1269960), (60, 1206462), (72, 1005385), (76, 952470), (90, 804308), (95, 761976), (114, 634980), (120, 603231), (152, 476235), (171, 423320), (180, 402154), (190, 380988), (228, 317490), (285, 253992), (342, 211660), (360, 201077), (361, 200520), (380, 190494), (456, 158745), (557, 129960), (570, 126996), (684, 105830), (722, 100260), (760, 95247), (855, 84664), (1083, 66840), (1114, 64980), (1140, 63498), (1368, 52915), (1444, 50130), (1671, 43320), (1710, 42332), (1805, 40104), (2166, 33420), (2228, 32490), (2280, 31749), (2785, 25992), (2888, 25065), (3249, 22280), (3342, 21660), (3420, 21166), (3610, 20052), (4332, 16710), (4456, 16245), (5013, 14440), (5415, 13368), (5570, 12996), (6498, 11140), (6684, 10830), (6840, 10583), (7220, 10026), (8355, 8664)]