61401990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:202

約数の個数: 128

約数和(自身を含む): 168739200

約数和(自身を除く): 107337210

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 29, 30, 39, 58, 61, 65, 78, 87, 89, 122, 130, 145, 174, 178, 183, 195, 267, 290, 305, 366, 377, 390, 435, 445, 534, 610, 754, 793, 870, 890, 915, 1131, 1157, 1335, 1586, 1769, 1830, 1885, 2262, 2314, 2379, 2581, 2670, 3471, 3538, 3770, 3965, 4758, 5162, 5307, 5429, 5655, 5785, 6942, 7743, 7930, 8845, 10614, 10858, 11310, 11570, 11895, 12905, 15486, 16287, 17355, 17690, 22997, 23790, 25810, 26535, 27145, 32574, 33553, 34710, 38715, 45994, 53070, 54290, 67106, 68991, 70577, 77430, 81435, 100659, 114985, 137982, 141154, 157441, 162870, 167765, 201318, 211731, 229970, 314882, 335530, 344955, 352885, 423462, 472323, 503295, 689910, 705770, 787205, 944646, 1006590, 1058655, 1574410, 2046733, 2117310, 2361615, 4093466, 4723230, 6140199, 10233665, 12280398, 20467330, 30700995, 61401990]

約数ペア:

[(1, 61401990), (2, 30700995), (3, 20467330), (5, 12280398), (6, 10233665), (10, 6140199), (13, 4723230), (15, 4093466), (26, 2361615), (29, 2117310), (30, 2046733), (39, 1574410), (58, 1058655), (61, 1006590), (65, 944646), (78, 787205), (87, 705770), (89, 689910), (122, 503295), (130, 472323), (145, 423462), (174, 352885), (178, 344955), (183, 335530), (195, 314882), (267, 229970), (290, 211731), (305, 201318), (366, 167765), (377, 162870), (390, 157441), (435, 141154), (445, 137982), (534, 114985), (610, 100659), (754, 81435), (793, 77430), (870, 70577), (890, 68991), (915, 67106), (1131, 54290), (1157, 53070), (1335, 45994), (1586, 38715), (1769, 34710), (1830, 33553), (1885, 32574), (2262, 27145), (2314, 26535), (2379, 25810), (2581, 23790), (2670, 22997), (3471, 17690), (3538, 17355), (3770, 16287), (3965, 15486), (4758, 12905), (5162, 11895), (5307, 11570), (5429, 11310), (5655, 10858), (5785, 10614), (6942, 8845), (7743, 7930)]