245230440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1321}}^1$

素因数の和:1372

約数の個数: 256

約数和(自身を含む): 959454720

約数和(自身を除く): 714224280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 17, 20, 21, 24, 26, 28, 30, 34, 35, 39, 40, 42, 51, 52, 56, 60, 65, 68, 70, 78, 84, 85, 91, 102, 104, 105, 119, 120, 130, 136, 140, 156, 168, 170, 182, 195, 204, 210, 221, 238, 255, 260, 273, 280, 312, 340, 357, 364, 390, 408, 420, 442, 455, 476, 510, 520, 546, 595, 663, 680, 714, 728, 780, 840, 884, 910, 952, 1020, 1092, 1105, 1190, 1321, 1326, 1365, 1428, 1547, 1560, 1768, 1785, 1820, 2040, 2184, 2210, 2380, 2642, 2652, 2730, 2856, 3094, 3315, 3570, 3640, 3963, 4420, 4641, 4760, 5284, 5304, 5460, 6188, 6605, 6630, 7140, 7735, 7926, 8840, 9247, 9282, 10568, 10920, 12376, 13210, 13260, 14280, 15470, 15852, 17173, 18494, 18564, 19815, 22457, 23205, 26420, 26520, 27741, 30940, 31704, 34346, 36988, 37128, 39630, 44914, 46235, 46410, 51519, 52840, 55482, 61880, 67371, 68692, 73976, 79260, 85865, 89828, 92470, 92820, 103038, 110964, 112285, 120211, 134742, 137384, 138705, 157199, 158520, 171730, 179656, 184940, 185640, 206076, 221928, 224570, 240422, 257595, 269484, 277410, 291941, 314398, 336855, 343460, 360633, 369880, 412152, 449140, 471597, 480844, 515190, 538968, 554820, 583882, 601055, 628796, 673710, 686920, 721266, 785995, 875823, 898280, 943194, 961688, 1030380, 1109640, 1167764, 1202110, 1257592, 1347420, 1442532, 1459705, 1571990, 1751646, 1803165, 1886388, 2043587, 2060760, 2335528, 2357985, 2404220, 2694840, 2885064, 2919410, 3143980, 3503292, 3606330, 3772776, 4087174, 4379115, 4715970, 4808440, 5838820, 6130761, 6287960, 7006584, 7212660, 8174348, 8758230, 9431940, 10217935, 11677640, 12261522, 14425320, 16348696, 17516460, 18863880, 20435870, 24523044, 30653805, 35032920, 40871740, 49046088, 61307610, 81743480, 122615220, 245230440]

約数ペア:

[(1, 245230440), (2, 122615220), (3, 81743480), (4, 61307610), (5, 49046088), (6, 40871740), (7, 35032920), (8, 30653805), (10, 24523044), (12, 20435870), (13, 18863880), (14, 17516460), (15, 16348696), (17, 14425320), (20, 12261522), (21, 11677640), (24, 10217935), (26, 9431940), (28, 8758230), (30, 8174348), (34, 7212660), (35, 7006584), (39, 6287960), (40, 6130761), (42, 5838820), (51, 4808440), (52, 4715970), (56, 4379115), (60, 4087174), (65, 3772776), (68, 3606330), (70, 3503292), (78, 3143980), (84, 2919410), (85, 2885064), (91, 2694840), (102, 2404220), (104, 2357985), (105, 2335528), (119, 2060760), (120, 2043587), (130, 1886388), (136, 1803165), (140, 1751646), (156, 1571990), (168, 1459705), (170, 1442532), (182, 1347420), (195, 1257592), (204, 1202110), (210, 1167764), (221, 1109640), (238, 1030380), (255, 961688), (260, 943194), (273, 898280), (280, 875823), (312, 785995), (340, 721266), (357, 686920), (364, 673710), (390, 628796), (408, 601055), (420, 583882), (442, 554820), (455, 538968), (476, 515190), (510, 480844), (520, 471597), (546, 449140), (595, 412152), (663, 369880), (680, 360633), (714, 343460), (728, 336855), (780, 314398), (840, 291941), (884, 277410), (910, 269484), (952, 257595), (1020, 240422), (1092, 224570), (1105, 221928), (1190, 206076), (1321, 185640), (1326, 184940), (1365, 179656), (1428, 171730), (1547, 158520), (1560, 157199), (1768, 138705), (1785, 137384), (1820, 134742), (2040, 120211), (2184, 112285), (2210, 110964), (2380, 103038), (2642, 92820), (2652, 92470), (2730, 89828), (2856, 85865), (3094, 79260), (3315, 73976), (3570, 68692), (3640, 67371), (3963, 61880), (4420, 55482), (4641, 52840), (4760, 51519), (5284, 46410), (5304, 46235), (5460, 44914), (6188, 39630), (6605, 37128), (6630, 36988), (7140, 34346), (7735, 31704), (7926, 30940), (8840, 27741), (9247, 26520), (9282, 26420), (10568, 23205), (10920, 22457), (12376, 19815), (13210, 18564), (13260, 18494), (14280, 17173), (15470, 15852)]