72671580

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{787}}^1$

素因数の和:830

約数の個数: 144

約数和(自身を含む): 240938880

約数和(自身を除く): 168267300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 81, 90, 95, 108, 114, 135, 162, 171, 180, 190, 228, 243, 270, 285, 324, 342, 380, 405, 486, 513, 540, 570, 684, 787, 810, 855, 972, 1026, 1140, 1215, 1539, 1574, 1620, 1710, 2052, 2361, 2430, 2565, 3078, 3148, 3420, 3935, 4617, 4722, 4860, 5130, 6156, 7083, 7695, 7870, 9234, 9444, 10260, 11805, 14166, 14953, 15390, 15740, 18468, 21249, 23085, 23610, 28332, 29906, 30780, 35415, 42498, 44859, 46170, 47220, 59812, 63747, 70830, 74765, 84996, 89718, 92340, 106245, 127494, 134577, 141660, 149530, 179436, 191241, 212490, 224295, 254988, 269154, 299060, 318735, 382482, 403731, 424980, 448590, 538308, 637470, 672885, 764964, 807462, 897180, 956205, 1211193, 1274940, 1345770, 1614924, 1912410, 2018655, 2422386, 2691540, 3633579, 3824820, 4037310, 4844772, 6055965, 7267158, 8074620, 12111930, 14534316, 18167895, 24223860, 36335790, 72671580]

約数ペア:

[(1, 72671580), (2, 36335790), (3, 24223860), (4, 18167895), (5, 14534316), (6, 12111930), (9, 8074620), (10, 7267158), (12, 6055965), (15, 4844772), (18, 4037310), (19, 3824820), (20, 3633579), (27, 2691540), (30, 2422386), (36, 2018655), (38, 1912410), (45, 1614924), (54, 1345770), (57, 1274940), (60, 1211193), (76, 956205), (81, 897180), (90, 807462), (95, 764964), (108, 672885), (114, 637470), (135, 538308), (162, 448590), (171, 424980), (180, 403731), (190, 382482), (228, 318735), (243, 299060), (270, 269154), (285, 254988), (324, 224295), (342, 212490), (380, 191241), (405, 179436), (486, 149530), (513, 141660), (540, 134577), (570, 127494), (684, 106245), (787, 92340), (810, 89718), (855, 84996), (972, 74765), (1026, 70830), (1140, 63747), (1215, 59812), (1539, 47220), (1574, 46170), (1620, 44859), (1710, 42498), (2052, 35415), (2361, 30780), (2430, 29906), (2565, 28332), (3078, 23610), (3148, 23085), (3420, 21249), (3935, 18468), (4617, 15740), (4722, 15390), (4860, 14953), (5130, 14166), (6156, 11805), (7083, 10260), (7695, 9444), (7870, 9234)]