61438590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:143

約数の個数: 144

約数和(自身を含む): 176881536

約数和(自身を除く): 115442946

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 31, 38, 45, 57, 61, 62, 90, 93, 95, 114, 122, 155, 171, 183, 186, 190, 279, 285, 305, 310, 342, 361, 366, 465, 549, 558, 570, 589, 610, 722, 855, 915, 930, 1083, 1098, 1159, 1178, 1395, 1710, 1767, 1805, 1830, 1891, 2166, 2318, 2745, 2790, 2945, 3249, 3477, 3534, 3610, 3782, 5301, 5415, 5490, 5673, 5795, 5890, 6498, 6954, 8835, 9455, 10431, 10602, 10830, 11191, 11346, 11590, 16245, 17019, 17385, 17670, 18910, 20862, 22021, 22382, 26505, 28365, 32490, 33573, 34038, 34770, 35929, 44042, 52155, 53010, 55955, 56730, 66063, 67146, 71858, 85095, 100719, 104310, 107787, 110105, 111910, 132126, 167865, 170190, 179645, 198189, 201438, 215574, 220210, 323361, 330315, 335730, 359290, 396378, 503595, 538935, 646722, 660630, 682651, 990945, 1007190, 1077870, 1365302, 1616805, 1981890, 2047953, 3233610, 3413255, 4095906, 6143859, 6826510, 10239765, 12287718, 20479530, 30719295, 61438590]

約数ペア:

[(1, 61438590), (2, 30719295), (3, 20479530), (5, 12287718), (6, 10239765), (9, 6826510), (10, 6143859), (15, 4095906), (18, 3413255), (19, 3233610), (30, 2047953), (31, 1981890), (38, 1616805), (45, 1365302), (57, 1077870), (61, 1007190), (62, 990945), (90, 682651), (93, 660630), (95, 646722), (114, 538935), (122, 503595), (155, 396378), (171, 359290), (183, 335730), (186, 330315), (190, 323361), (279, 220210), (285, 215574), (305, 201438), (310, 198189), (342, 179645), (361, 170190), (366, 167865), (465, 132126), (549, 111910), (558, 110105), (570, 107787), (589, 104310), (610, 100719), (722, 85095), (855, 71858), (915, 67146), (930, 66063), (1083, 56730), (1098, 55955), (1159, 53010), (1178, 52155), (1395, 44042), (1710, 35929), (1767, 34770), (1805, 34038), (1830, 33573), (1891, 32490), (2166, 28365), (2318, 26505), (2745, 22382), (2790, 22021), (2945, 20862), (3249, 18910), (3477, 17670), (3534, 17385), (3610, 17019), (3782, 16245), (5301, 11590), (5415, 11346), (5490, 11191), (5673, 10830), (5795, 10602), (5890, 10431), (6498, 9455), (6954, 8835)]