1563889240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1619}}^1$

素因数の和:1721

約数の個数: 128

約数和(自身を含む): 3919104000

約数和(自身を除く): 2355214760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 41, 62, 76, 82, 95, 124, 152, 155, 164, 190, 205, 248, 310, 328, 380, 410, 589, 620, 760, 779, 820, 1178, 1240, 1271, 1558, 1619, 1640, 2356, 2542, 2945, 3116, 3238, 3895, 4712, 5084, 5890, 6232, 6355, 6476, 7790, 8095, 10168, 11780, 12710, 12952, 15580, 16190, 23560, 24149, 25420, 30761, 31160, 32380, 48298, 50189, 50840, 61522, 64760, 66379, 96596, 100378, 120745, 123044, 132758, 153805, 193192, 200756, 241490, 246088, 250945, 265516, 307610, 331895, 401512, 482980, 501890, 531032, 615220, 663790, 953591, 965960, 1003780, 1230440, 1261201, 1327580, 1907182, 2007560, 2057749, 2522402, 2655160, 3814364, 4115498, 4767955, 5044804, 6306005, 7628728, 8230996, 9535910, 10089608, 10288745, 12612010, 16461992, 19071820, 20577490, 25224020, 38143640, 39097231, 41154980, 50448040, 78194462, 82309960, 156388924, 195486155, 312777848, 390972310, 781944620, 1563889240]

約数ペア:

[(1, 1563889240), (2, 781944620), (4, 390972310), (5, 312777848), (8, 195486155), (10, 156388924), (19, 82309960), (20, 78194462), (31, 50448040), (38, 41154980), (40, 39097231), (41, 38143640), (62, 25224020), (76, 20577490), (82, 19071820), (95, 16461992), (124, 12612010), (152, 10288745), (155, 10089608), (164, 9535910), (190, 8230996), (205, 7628728), (248, 6306005), (310, 5044804), (328, 4767955), (380, 4115498), (410, 3814364), (589, 2655160), (620, 2522402), (760, 2057749), (779, 2007560), (820, 1907182), (1178, 1327580), (1240, 1261201), (1271, 1230440), (1558, 1003780), (1619, 965960), (1640, 953591), (2356, 663790), (2542, 615220), (2945, 531032), (3116, 501890), (3238, 482980), (3895, 401512), (4712, 331895), (5084, 307610), (5890, 265516), (6232, 250945), (6355, 246088), (6476, 241490), (7790, 200756), (8095, 193192), (10168, 153805), (11780, 132758), (12710, 123044), (12952, 120745), (15580, 100378), (16190, 96596), (23560, 66379), (24149, 64760), (25420, 61522), (30761, 50840), (31160, 50189), (32380, 48298)]