255761532

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:149

約数の個数: 216

約数和(自身を含む): 775978112

約数和(自身を除く): 520216580

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 31, 34, 36, 39, 51, 52, 61, 62, 68, 78, 93, 102, 117, 122, 124, 153, 156, 183, 186, 204, 221, 234, 244, 279, 289, 306, 366, 372, 403, 442, 468, 527, 549, 558, 578, 612, 663, 732, 793, 806, 867, 884, 1037, 1054, 1098, 1116, 1156, 1209, 1326, 1581, 1586, 1612, 1734, 1891, 1989, 2074, 2108, 2196, 2379, 2418, 2601, 2652, 3111, 3162, 3172, 3468, 3627, 3757, 3782, 3978, 4148, 4743, 4758, 4836, 5202, 5673, 6222, 6324, 6851, 7137, 7254, 7514, 7564, 7956, 8959, 9333, 9486, 9516, 10404, 11271, 11346, 12444, 13481, 13702, 14274, 14508, 15028, 17019, 17629, 17918, 18666, 18972, 20553, 22542, 22692, 24583, 26877, 26962, 27404, 28548, 32147, 33813, 34038, 35258, 35836, 37332, 40443, 41106, 45084, 49166, 52887, 53754, 53924, 61659, 64294, 67626, 68076, 70516, 73749, 80631, 80886, 82212, 96441, 98332, 105774, 107508, 116467, 121329, 123318, 128588, 135252, 147498, 158661, 161262, 161772, 192882, 211548, 221247, 229177, 232934, 242658, 246636, 289323, 294996, 317322, 322524, 349401, 385764, 417911, 442494, 458354, 465868, 485316, 546499, 578646, 634644, 687531, 698802, 835822, 884988, 916708, 1048203, 1092998, 1157292, 1253733, 1375062, 1397604, 1639497, 1671644, 2062593, 2096406, 2185996, 2507466, 2750124, 3278994, 3761199, 4125186, 4192812, 4918491, 5014932, 6557988, 7104487, 7522398, 8250372, 9836982, 14208974, 15044796, 19673964, 21313461, 28417948, 42626922, 63940383, 85253844, 127880766, 255761532]

約数ペア:

[(1, 255761532), (2, 127880766), (3, 85253844), (4, 63940383), (6, 42626922), (9, 28417948), (12, 21313461), (13, 19673964), (17, 15044796), (18, 14208974), (26, 9836982), (31, 8250372), (34, 7522398), (36, 7104487), (39, 6557988), (51, 5014932), (52, 4918491), (61, 4192812), (62, 4125186), (68, 3761199), (78, 3278994), (93, 2750124), (102, 2507466), (117, 2185996), (122, 2096406), (124, 2062593), (153, 1671644), (156, 1639497), (183, 1397604), (186, 1375062), (204, 1253733), (221, 1157292), (234, 1092998), (244, 1048203), (279, 916708), (289, 884988), (306, 835822), (366, 698802), (372, 687531), (403, 634644), (442, 578646), (468, 546499), (527, 485316), (549, 465868), (558, 458354), (578, 442494), (612, 417911), (663, 385764), (732, 349401), (793, 322524), (806, 317322), (867, 294996), (884, 289323), (1037, 246636), (1054, 242658), (1098, 232934), (1116, 229177), (1156, 221247), (1209, 211548), (1326, 192882), (1581, 161772), (1586, 161262), (1612, 158661), (1734, 147498), (1891, 135252), (1989, 128588), (2074, 123318), (2108, 121329), (2196, 116467), (2379, 107508), (2418, 105774), (2601, 98332), (2652, 96441), (3111, 82212), (3162, 80886), (3172, 80631), (3468, 73749), (3627, 70516), (3757, 68076), (3782, 67626), (3978, 64294), (4148, 61659), (4743, 53924), (4758, 53754), (4836, 52887), (5202, 49166), (5673, 45084), (6222, 41106), (6324, 40443), (6851, 37332), (7137, 35836), (7254, 35258), (7514, 34038), (7564, 33813), (7956, 32147), (8959, 28548), (9333, 27404), (9486, 26962), (9516, 26877), (10404, 24583), (11271, 22692), (11346, 22542), (12444, 20553), (13481, 18972), (13702, 18666), (14274, 17918), (14508, 17629), (15028, 17019)]